"Sat, 18 May 2024 10:51:24"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240518
Only TIME
10:51:24
General datetime
2024-05-18 10:51:24Z
For Database
2024-05-18 10:51:24
For HTTP1.1
Sat, 18 May 2024 10:51:24 GMT